How many milky ways are there

There’s only 1 Milky Way galaxy

Explanation:

Astronomers estimated that there are about 100 thousand million stars in the Milky Way alone. Outside of that, there are millions upon millions of other galaxies also!

Explanation:

I learned this in like 7th grade

Hope this helped :

yes it is weird but true

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )